in the noisy tokyo, urban people work hard for their livelihoods and bear huge pressure. when everything approaches the limit, tragedy inevitably happens. the beautiful and quiet lu yuezi became a hot designer with her puppy doll malumei. at the same time, she also encountered jealousy from her peers and bottlenecks in her next creation. on a night trip, yuezi was injured and hospitalized, claiming she was attacked by a teenager holding a bent metal ball stick and pedaling a golden pulley. after this, the attacks of "ball stick boy" continued to occur. police officers zhu shou and ma ting intervened in the investigation and found that most of the victims were under tremendous pressure before the attack. soon, the "boss boy" was arrested, and it seemed that everything was finally coming to an end, but the whole situation was moving in a worse direction. there are more and more attacks in society, and the "boss stick boy" has become a puzzling mystery... bbb